Patents by Inventor Kuang-Che Chen
Kuang-Che Chen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8502873Abstract: The present invention discloses a method for image pickup and an image pickup device using the same. The image pickup device includes a lens, an image-processing program, and a user interface. The lens is utilized to obtain a main image by shooting an object. The image-processing program divides the main image into a plurality of sub-image blocks, computes the resolution of every sub-image block, and compares each resolution with a threshold. The user interface displays the compared result of each sub-image block to indicate if the lens and the object are parallel.Type: GrantFiled: August 2, 2010Date of Patent: August 6, 2013Assignee: Primax Electronics, Ltd.Inventors: Szu-Hao Lyu, Kuang-Che Chen
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Patent number: 8319839Abstract: An optical image system includes an image pickup module, a swinging mechanism, a first swinging calibration element and a second swinging calibration element. When the optical image system is tilted because of handshaking, the image pickup module is swung by the swinging mechanism. At the same time, the first swinging calibration element and the second swinging calibration element detect whether the image pickup module is swung to an ideal position where the handshaking problem is eliminated.Type: GrantFiled: December 3, 2010Date of Patent: November 27, 2012Assignee: Primax Electronics Ltd.Inventors: Li-Pen Lin, Kuang-Che Chen, Wen-Chi Shih, Ying-Shou Chen
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Publication number: 20120044368Abstract: An optical image system includes an image pickup module, a swinging mechanism, a first swinging calibration element and a second swinging calibration element. When the optical image system is tilted because of handshaking, the image pickup module is swung by the swinging mechanism. At the same time, the first swinging calibration element and the second swinging calibration element detect whether the image pickup module is swung to an ideal position where the handshaking problem is eliminated.Type: ApplicationFiled: December 3, 2010Publication date: February 23, 2012Applicant: PRIMAX ELECTRONICS LTD.Inventors: Li-Pen Lin, Kuang-Che Chen, Wen-Chi Shih, Ying-Shou Chen
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Publication number: 20110234816Abstract: The present invention discloses a method for image pickup and an image pickup device using the same. The image pickup device includes a lens, an image-processing program, and a user interface. The lens is utilized to obtain a main image by shooting an object. The image-processing program divides the main image into a plurality of sub-image blocks, computes the resolution of every sub-image block, and compares each resolution with a threshold. The user interface displays the compared result of each sub-image block to indicate if the lens and the object are parallel.Type: ApplicationFiled: August 2, 2010Publication date: September 29, 2011Applicant: PRIMAX ELECTRONICS LTD.Inventors: Szu-Hao Lyu, Kuang-Che Chen
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Patent number: 8004811Abstract: The present invention provides a power strip having a surge protective circuit. When a surge is inputted into the power strip, the surge is subject to two-stage suppressions so as to protect the electrical appliances which are electrically connected to the power strip. The surge protective circuit of the power strip includes a first surge protective device, a buffer conductive device and a second surge protective device. The buffer conductive device is relatively small-sized and cost-effective in comparison with the bulky inductor used in conventional power strip.Type: GrantFiled: June 17, 2008Date of Patent: August 23, 2011Assignee: Primax Electronics Ltd.Inventors: Kuang-Che Chen, Yi-Te Chiang
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Patent number: 7973425Abstract: A power strip device includes a power plug, a master power outlet, multiple slave power outlets and a control circuit. The control circuit includes an inductor, a reed switch and a switching circuit. Under the control of the control circuit, the power strip device allows the slave power outlets to be automatically turned on or off simultaneous with the master power outlet being turned on or off.Type: GrantFiled: July 10, 2007Date of Patent: July 5, 2011Assignee: Primax Electronics Ltd.Inventor: Kuang-Che Chen
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Patent number: 7889475Abstract: The present invention provides a power strip having surge protective device. The power strip includes a first surge protective device, a buffer conductive device and a second surge protective device. When a surge is inputted into the power strip, the surge is subject to two-stage suppressions so as to protect the electrical appliances which are electrically connected to the power strip.Type: GrantFiled: August 14, 2008Date of Patent: February 15, 2011Assignee: Primax Electronics Ltd.Inventors: Kuang-Che Chen, Yi-Te Chiang
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Patent number: 7701687Abstract: A surge protection circuit includes a first surge absorber and a first conducting wire. The first surge absorber has an end electrically connected to a first power signal line. The first conducting wire is covered with insulating material and electrically connected to the other end of the first surge absorber and a second power signal line. The first surge absorber absorbs energy of a surge signal in a short-circuit state when the surge signal flows through the first power signal line or the second power signal line. Afterwards, the first conducting wire which is connected to the first surge absorber in series is damaged by the energy of the surge signal to enter an interrupted state, thereby protecting a signal processing device which is electrically connected to the first power signal line and the second power signal line.Type: GrantFiled: March 10, 2006Date of Patent: April 20, 2010Assignee: Primax Electronics Ltd.Inventors: Kuang-Che Chen, Her-Jun Chueh
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Publication number: 20100044195Abstract: A power strip device and a method for controlling the power strip device are provided. The power strip device is communicated with a host computer. A wireless signal emitter is connected the host computer for emitting a wireless signal. The power strip device has a wireless signal receiver for receiving the wireless signal. The power strip device of the present invention is controlled by detecting the wireless signal.Type: ApplicationFiled: September 30, 2008Publication date: February 25, 2010Applicant: PRIMAX ELECTRONICS LTD.Inventors: Yi-Te Chiang, Kuang-Che Chen
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Publication number: 20090207541Abstract: The present invention provides a power strip having surge protective device. The power strip includes a first surge protective device, a buffer conductive device and a second surge protective device. When a surge is inputted into the power strip, the surge is subject to two-stage suppressions so as to protect the electrical appliances which are electrically connected to the power strip.Type: ApplicationFiled: August 14, 2008Publication date: August 20, 2009Applicant: PRIMAX ELECTRONICS LTD.Inventors: Kuang-Che Chen, Yi-Te Chiang
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Publication number: 20090207540Abstract: The present invention provides a power strip having a surge protective circuit. When a surge is inputted into the power strip, the surge is subject to two-stage suppressions so as to protect the electrical appliances which are electrically connected to the power strip. The surge protective circuit of the power strip includes a first surge protective device, a buffer conductive device and a second surge protective device. The buffer conductive device is relatively small-sized and cost-effective in comparison with the bulky inductor used in conventional power strip.Type: ApplicationFiled: June 17, 2008Publication date: August 20, 2009Applicant: PRIMAX ELECTRONICS LTD.Inventors: Kuang-Che Chen, Yi-Te Chiang
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Publication number: 20080261453Abstract: A power strip device includes a power plug, a master power outlet, multiple slave power outlets and a control circuit. The control circuit includes an inductor, a reed switch and a switching circuit. Under the control of the control circuit, the power strip device allows the slave power outlets to be automatically turned on or off simultaneous with the master power outlet being turned on or off.Type: ApplicationFiled: July 10, 2007Publication date: October 23, 2008Applicant: PRIMAX ELECTRONICS LTD.Inventor: Kuang-Che Chen
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Patent number: 7408753Abstract: A surge-protected hub applied to set up an AC line networking system and used for eliminating the surge problem is provided. The surge-protected hub includes a housing; a plurality of connectors mounted on the housing and electrically connected to an alternating-current power source for independently establishing connections to power lines for power transmission or network lines for networking signal transmission; and a surge-protected device disposed in the housing and arranged upstream of the plurality of connectors for filtering out surge signals that are received from the alternating-current power source while allowing networking signals having a frequency range lying in the frequency range of the surge signals to pass therethrough.Type: GrantFiled: July 2, 2004Date of Patent: August 5, 2008Assignee: Primax Electronics Ltd.Inventors: Her-Jun Chueh, Chih-Hsun Lin, Kuang-Che Chen
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Publication number: 20070159759Abstract: A surge protection circuit includes a first surge absorber and a first conducting wire. The first surge absorber has an end electrically connected to a first power signal line. The first conducting wire is covered with insulating material and electrically connected to the other end of the first surge absorber and a second power signal line. The first surge absorber absorbs energy of a surge signal in a short-circuit state when the surge signal flows through the first power signal line or the second power signal line. Afterwards, the first conducting wire which is connected to the first surge absorber in series is damaged by the energy of the surge signal to enter an interrupted state, thereby protecting a signal processing device which is electrically connected to the first power signal line and the second power signal line.Type: ApplicationFiled: March 10, 2006Publication date: July 12, 2007Inventors: Kuang-Che Chen, Her-Jun Chueh
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Publication number: 20050002142Abstract: A surge-protected hub applied to set up an AC line networking system and used for eliminating the surge problem is provided. The surge-protected hub includes a housing; a plurality of connectors mounted on the housing and electrically connected to an alternating-current power source for independently establishing connections to power lines for power transmission or network lines for networking signal transmission; and a surge-protected device disposed in the housing and arranged upstream of the plurality of connectors for filtering out surge signals that are received from the alternating-current power source while allowing networking signals having a frequency range lying in the frequency range of the surge signals to pass therethrough.Type: ApplicationFiled: July 2, 2004Publication date: January 6, 2005Inventors: Her-Jun Chueh, Chih-Hsun Lin, Kuang-Che Chen
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Patent number: 6552630Abstract: A bi-directional low-pass filter for use at a user end or an office end in a communication network is disclosed. By providing compensation and high-band attenuation circuitry, the low-pass filter exhibits an improved attenuation value in high-band and a general attenuation value in a low-frequency band. The satisfactory attenuation performance in the high-frequency band minimizes the signal interference of a high-band communication terminal with a low-band communication terminal in the communication network. Further, by providing symmetric input/output circuitry, the low-pass filter can be operated reversibly.Type: GrantFiled: November 29, 2001Date of Patent: April 22, 2003Assignee: Primax Electronics Ltd.Inventors: Her-Jun Chueh, Kuang-Che Chen
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Publication number: 20030006860Abstract: A bi-directional low-pass filter for use at a user end or an office end in a communication network is disclosed. By providing compensation and high-band attenuation circuitry, the low-pass filter exhibits an improved attenuation value in high-band and a general attenuation value in a low-frequency band. The satisfactory attenuation performance in the high-frequency band minimizes the signal interference of a high-band communication terminal with a low-band communication terminal in the communication network. Further, by providing symmetric input/output circuitry, the low-pass filter can be operated reversibly.Type: ApplicationFiled: November 29, 2001Publication date: January 9, 2003Inventors: Her-Jun Chueh, Kuang-Che Chen
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Publication number: 20020135439Abstract: A low-pass filter for use at a user end or an office end in a communication network is disclosed. By providing a capacitive compensation circuit for the low-pass filter, the low-pass filter exhibits an improved attenuation value in a high-frequency band and a general attenuation value in a low-frequency band. The satisfactory attenuation performance in the high-frequency band minimizes the signal interference of a high-band communication terminal with a low-band communication terminal in the communication network. On the other hand, the maintained attenuation value in the low-frequency band allows the low-pass filter to comply with the stipulations of a communication system, e.g. the performance criteria stipulated by TIE1.4.Type: ApplicationFiled: July 10, 2001Publication date: September 26, 2002Inventors: Her-Jun Chueh, Kuang-Che Chen